Arrange these statements in correct sequence of preparation of green manure:

(a) Green plants are decomposed in soil

(b) Green plants are cultivated for preparing manure or crop plants are used.

(c) plants are ploughed and mixed in soil

(d) After decomposition, it becomes green manure.

Fill in the blanks:

(a) A total of ..nutrients are essential to plants.

(b) .....are supplied by air to plants.

(c) .... is supplied by water to plants.

(d) Soil supplies nutrients to plants.

(e) .....nutrients are required in large quantity and called as .....

(f) .......nutrients are needed in small quantity for plants and are called ......

Differentiate between compost and vermicompost.

An Italian variety Apis Mellifera has been introduced in India for honey production. Write about Its merits over other varieties.

In agriculture practices, higher input gives higher yield. Discuss how ?